Oh, Max, this was fascinating! Thank you, Sweetie.I think I understand what Mr. Greene means about irrationality. I think it refers, among other things, to the intuitive leaps the human mind can take.

Here is a quote from the article:

Remember, the Greek 'logos' means 'ratio' or 'meaningful speech' (interesting that to the Greeks the two should be so closely related). 'Alogos', which uses the alpha privative, means not the opposite of rational, but simply 'lacking in rationality' or 'other than rational' (other than 'logos').

By 'insight' I mean a very real (if personal and unpredictable) window into, and experience of, a very real area of the universe, and not just some spooky gibberish.

I think the second paragraph may illustrate part of what he means by irrationality. And, if anyone can interpret"alpha privative" for me, I would appreciate it. I have absolutely no idea of what that means.

If it were anybody but Stephen Hawking, I would be tempted to say something rude. One of his assumptions, though, I question: that the rate of increase in capacity of computers will continue at the present rate. The BPS limit has not been reached as soon as expected, and parallel computing can be greatly increased, but it seems to me that for intelligence to be achieved would require design and software advances unimaginable at present.

'Alogos', which uses the alpha privative, means not the opposite of rational

I believe this means that by adding "a" (that is, alpha) to a Greek word, you are changing the sense of it to mean the lack of that thing. I'm guessing that privative is from the same root as deprive - thus the sense of "to take away" or "lack."

You are correct, Hyla. The prefix "alpha" ('a' in English) denotes the lack of something, or occasionally takes a meaning like the English prefix "un" or "non". I included this explanation in a post (I forget the subject) not too long ago. That shows me how much people read my posts (or pay attention to them, at any rate).

I included this explanation in a post (I forget the subject) not too long ago. Forgive me. I didn't listen to the little voice that said, "You HAVE seen that, and recently." I should have done a Search.

for intelligence to be achieved would require design and software advances unimaginable at present

“I’ve seen the future…!”

"Computers in the future may weigh no more than 1.5 tons." - Popular Mechanics, forecasting the relentless march of science, 1949

"I think there is a world market for maybe five computers." - Thomas Watson, chairman of IBM, 1943

"I have travelled the length and breadth of this country and talked with the best people, and I can assure you that data processing is a fad that won't last out the year." - The editor in charge of business books for Prentice Hall, 1957

"But what is it good for?" - Engineer at the Advanced Computing Systems Division of IBM, 1968, commenting on the microchip

"There is no reason anyone would want a computer in their home." - Ken Olson, president, chairman and founder of Digital Equipment Corp., 1977

"This 'telephone' has too many shortcomings to be seriously considered as a means of communication. The device is inherently of no value to us." - Western Union internal memo, 1876

"The wireless music box has no imaginable commercial value. Who would pay for a message sent to nobody in particular?" - David Sarnoff's associates in response to his urgings for investment in the radio in the 1920s

"The concept is interesting and well-formed, but in order to earn better than a 'C,' the idea must be feasible." - A Yale University management professor in response to Fred Smith's paper proposing reliable overnight delivery service (Smith went on to found Federal Express Corp.)

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